reed switch


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reed switch

[′rēd ‚swich]
(electromagnetism)
A switch that has contacts mounted on ferromagnetic reeds sealed in a glass tube, designed for actuation by an external magnetic field. Also known as magnetic reed switch.
References in periodicals archive ?
Flow sensors: feature reed switch reliability and designed for water control, power showers, central heating systems, circulation pump protection, cooling and leak detection
Headquartered in Cincinnati, Ohio, Standex-Meder Electronics is a worldwide market leader in the design, engineering, and manufacture of standard and custom electro-magnetic components, including magnetics products, and a comprehensive range of reed switch and sensor-based solutions.
WM-NLCH is designed to accommodate the addition of a dry contact reed switch pulse output.
With a standard SOT-23 package, these devices are half of the size of Coto's CT05 molded reed switch.
A standard reed switch located on the base of the loader indicates demand, while the control automatically adjusts loading time based on resin bulk density to ensure complete hopper fill.
Reed relays contain a reed switch, a coil for creating a magnetic field, an optional diode for handling back EMF from the coil, and an encapsulating package with connection terminals.
A float switch comprises a magnet contained within a float, as well as a magnetic reed switch contained within a fixed housing.
Based on its high aspect ratio MEMS design and manufacturing processes, the switch provides all of the characteristics of conventional magnetic reed switch technology, including zero power operation and high-power hot switching.
The RedRock RS1A-2515 micro-electromechanical-based magnetic reed switch provides the features of conventional magnetic reed switch technology, including zero power operation and high-power hot switching, combined with MEMS-based design for robustness and small size.
The switch uses reed switch technology with SPST (Form A) action and is designed for vertical axis installation, operating a contact closure at < - [10.
The highly reliable design of the LS-3 Series level switch operates on a simple principle: a magnet-equipped float moving directly with the liquid surface actuates a hermetically sealed reed switch within the unit's stem.
The new control is based on Reed switch technology and offers a compact size of 0.